Ischemic Heart Disease (Zahr)

Question 1

what are the 3 layers of the coronary arteries?

Answer 1

intima, media, adventitia

Question 2

about half of the heart is supplied by which branch of the coronary artery system?

Answer 2

LAD

Question 3

disease caused by coronary atherosclerotic plaque formation which leads to imbalance between O2 supply & demand

Answer 3

ischemic heart disease

Question 4

what percentage of asymptomatic heart disease results in sudden cardiac death?

Answer 4

50%

Question 5

which of these is NOT a classification of ischemic heart disease (IHD)?

A. Myocardial infarction
B. Angina pectoris
C. Atherosclerosis
D. Chronic IHD with heart failure
E. Sudden cardiac death

Answer 5

C

Question 6

pain that is brought on by physical exertion as the heart is trying to pump blood to the muscles, which goes away upon rest

Answer 6

angina

Question 7

what 3 enzymes measured in the blood can indicate cardiac muscle death?

Answer 7

creatine kinase, c reactive protein, troponin

Question 8

what is a complication of MI that is particularly problematic in ischemia involving the LAD?

Answer 8

cardiogenic shock - because the LAD provides so much of the heart supply, a blockage can severely inhibit the ability of the muscle to pump enough blood to the rest of the body.

Question 9

a constellation of lipid and nonlipid abnormalities that are associated with obesity and insulin resistance and that is associated with adverse cardiovascular risk

Answer 9

metabolic syndrome

Question 10

coronary artery disease is more common in _____, but when ______ get it the mortality is higher.

Answer 10

men; women. this is because women with CAD tend to have atypical symptoms that are confused with other diseases like GERD, and they tend to be older and sicker when they do get it